Across
- 4. a region that was seen as not fit for European agriculture
- 7. generated detailed soil maps and took photos of the land from the sky
- 9. offered settlers 160 acre plots
- 10. they normal trapped soil and moisture even during droughts
- 11. storms of sand and dust to shape the surface of the earth
- 12. It is a grassy dry land with a lot of vegataion
Down
- 1. were places that were semi-climated places
- 2. where most of the dust went in the Midwest states
- 3. the day the dust storm occured April 14
- 4. it lacked surface water and timber, it was seen as unattractive
- 5. when waves of immigrants reached the great plains
- 6. high concentration of organic matter and where earthd biological activities occur
- 8. gave people 640 acres in western Nebraska